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Expose get_sector in favor of is_eraseable_range

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This commit is contained in:
Rasmus Melchior Jacobsen
2023-03-29 12:49:13 +02:00
parent 4ee3d15519
commit 69944675a3
7 changed files with 81 additions and 57 deletions
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19
embassy-stm32/src/flash/f7.rs
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@ -45,18 +45,6 @@ pub(crate) unsafe fn blocking_write(start_address: u32, buf: &[u8; WRITE_SIZE])
blocking_wait_ready()
}
pub(crate) fn is_eraseable_range(start_address: u32, end_address: u32) -> bool {
let mut address = start_address;
while address < end_address {
let sector = get_sector(address);
if sector.start != address {
return false;
}
address += sector.size;
}
address == end_address
}
pub(crate) unsafe fn blocking_erase(start_address: u32, end_address: u32) -> Result<(), Error> {
let mut address = start_address;
while address < end_address {
@ -132,7 +120,7 @@ unsafe fn blocking_wait_ready() -> Result<(), Error> {
}
}
fn get_sector(address: u32) -> FlashSector {
pub(crate) fn get_sector(address: u32) -> FlashSector {
// First 4 sectors are 32KB, then one 128KB, and rest are 256KB
let offset = address - FLASH_BASE as u32;
match offset / LARGE_SECTOR_SIZE {
@ -156,7 +144,10 @@ fn get_sector(address: u32) -> FlashSector {
let large_sector_index = i - 1;
FlashSector {
index: (5 + large_sector_index) as u8,
start: FLASH_BASE as u32 + 4 * SMALL_SECTOR_SIZE + MEDIUM_SECTOR_SIZE + large_sector_index * LARGE_SECTOR_SIZE,
start: FLASH_BASE as u32
+ 4 * SMALL_SECTOR_SIZE
+ MEDIUM_SECTOR_SIZE
+ large_sector_index * LARGE_SECTOR_SIZE,
size: LARGE_SECTOR_SIZE,
}
}